QB2430-90 - 90 Amp Circuit Breaker

QB2430-90 - 90 Amp Circuit Breaker

When you need reliable protection for a three-phase electrical system, the QB2430-90 90 Amp 3 Pole Bolt-On Circuit Breaker is built to help keep your power distribution equipment operating safely and efficiently. This QB24-type circuit breaker delivers a 90-amp rating and a 10 kA interrupting capacity at 240 VAC, making it a dependable choice for applications where consistent circuit protection is critical. Its bolt-on design provides a secure connection in compatible electrical panelboard systems, helping create a stable installation you can count on.

Whether you are maintaining an existing electrical system or upgrading equipment in a commercial or industrial setting, the QB2430-90 offers the performance and configuration needed for demanding power distribution applications. Its three-pole design makes it suitable for three-phase circuits, while its compact dimensions help maximize available panel space. Designed with reliability in mind, this circuit breaker helps protect connected equipment and wiring from damage caused by overloads and short-circuit conditions.

Key Features and Benefits

• The QB2430-90 helps safeguard electrical circuits by providing dependable overcurrent protection for systems rated up to 90 amps.
• Ideal for electrical systems that require three-phase power distribution and balanced circuit management.
• 10kA A.I.C. rating at 240VAC provides effective fault current interruption capability for approved applications.
• The bolt-on connection style provides a firm, reliable attachment within compatible panelboard assemblies.
• Designed to fit applications requiring a QB24-style circuit breaker while supporting efficient panel layouts.
• A practical solution for facilities, equipment panels, and electrical distribution systems that require dependable performance.

Technical Specifications

• Part Number: QB2430-90
  
• Breaker Type: QB24
  
• Installation Type: Bolt-On
  
• Poles: 3
  
• Amperage Rating: 90 Amps
  
• A.I.C. Rating: 10kA at 240VAC
  
• Dimensions:
  • Height: 4.81 inches
  • Width: 2.25 inches
  • Depth: 2.5 inches

Material Compliance and Certifications

• The QB2430-90 is designed for use in properly matched electrical distribution equipment and applications that require dependable circuit protection. Installation should always follow applicable electrical codes, equipment specifications, and safety requirements. For the best performance and safety, this circuit breaker should be installed by a qualified electrical professional in an approved system.

Where It Works Best

• The QB2430-90 90 Amp 3 Pole Bolt-On Circuit Breaker is a great fit for commercial buildings, industrial facilities, equipment panels, and electrical distribution systems that require dependable three-phase circuit protection. It works especially well in applications where maintaining safe power flow, protecting electrical components, and minimizing unexpected interruptions are top priorities.